/**
 * Copyright (c) Tiny Technologies, Inc. All rights reserved.
 * Licensed under the LGPL or a commercial license.
 * For LGPL see License.txt in the project root for license information.
 * For commercial licenses see https://www.tiny.cloud/
 *
 * Version: 5.0.4 (2019-04-23)
 */
(function () {
  var pagebreak = (function () {
    'use strict'

    var global = tinymce.util.Tools.resolve('tinymce.PluginManager')

    var global$1 = tinymce.util.Tools.resolve('tinymce.Env')

    var getSeparatorHtml = function (editor) {
      return editor.getParam('pagebreak_separator', '<!-- pagebreak -->')
    }
    var shouldSplitBlock = function (editor) {
      return editor.getParam('pagebreak_split_block', false)
    }
    var Settings = {
      getSeparatorHtml: getSeparatorHtml,
      shouldSplitBlock: shouldSplitBlock
    }

    var getPageBreakClass = function () {
      return 'mce-pagebreak'
    }
    var getPlaceholderHtml = function () {
      return '<img src="' + global$1.transparentSrc + '" class="' + getPageBreakClass() + '" data-mce-resize="false" data-mce-placeholder />'
    }
    var setup = function (editor) {
      var separatorHtml = Settings.getSeparatorHtml(editor)
      var pageBreakSeparatorRegExp = new RegExp(separatorHtml.replace(/[\?\.\*\[\]\(\)\{\}\+\^\$\:]/g, function (a) {
        return '\\' + a
      }), 'gi')
      editor.on('BeforeSetContent', function (e) {
        e.content = e.content.replace(pageBreakSeparatorRegExp, getPlaceholderHtml())
      })
      editor.on('PreInit', function () {
        editor.serializer.addNodeFilter('img', function (nodes) {
          var i = nodes.length, node, className
          while (i--) {
            node = nodes[i]
            className = node.attr('class')
            if (className && className.indexOf('mce-pagebreak') !== -1) {
              var parentNode = node.parent
              if (editor.schema.getBlockElements()[parentNode.name] && Settings.shouldSplitBlock(editor)) {
                parentNode.type = 3
                parentNode.value = separatorHtml
                parentNode.raw = true
                node.remove()
                continue
              }
              node.type = 3
              node.value = separatorHtml
              node.raw = true
            }
          }
        })
      })
    }
    var FilterContent = {
      setup: setup,
      getPlaceholderHtml: getPlaceholderHtml,
      getPageBreakClass: getPageBreakClass
    }

    var register = function (editor) {
      editor.addCommand('mcePageBreak', function () {
        if (editor.settings.pagebreak_split_block) {
          editor.insertContent('<p>' + FilterContent.getPlaceholderHtml() + '</p>')
        } else {
          editor.insertContent(FilterContent.getPlaceholderHtml())
        }
      })
    }
    var Commands = { register: register }

    var setup$1 = function (editor) {
      editor.on('ResolveName', function (e) {
        if (e.target.nodeName === 'IMG' && editor.dom.hasClass(e.target, FilterContent.getPageBreakClass())) {
          e.name = 'pagebreak'
        }
      })
    }
    var ResolveName = { setup: setup$1 }

    var register$1 = function (editor) {
      editor.ui.registry.addButton('pagebreak', {
        icon: 'page-break',
        tooltip: 'Page break',
        onAction: function () {
          return editor.execCommand('mcePageBreak')
        }
      })
      editor.ui.registry.addMenuItem('pagebreak', {
        text: 'Page break',
        icon: 'page-break',
        onAction: function () {
          return editor.execCommand('mcePageBreak')
        }
      })
    }
    var Buttons = { register: register$1 }

    global.add('pagebreak', function (editor) {
      Commands.register(editor)
      Buttons.register(editor)
      FilterContent.setup(editor)
      ResolveName.setup(editor)
    })
    function Plugin () {
    }

    return Plugin
  }())
})()
